Xilisoft DVD Ripper features a range of versatile editing tools, giving you the ability to clip a video, split a video into segments, and merge several of them into one. You may also crop the video frame, adjust image effects, add watermarks/subtitles/soundtracks to videos, and do much more. Xilisoft DVD Ripper's support for multithreading, NVIDIA CUDA and ATI APP technology delivers a 5X faster performance in home DVD ripping.